bf1.py

import subprocess
import os
import threading
import time
import yaml
from datetime import datetime
import signal
import psutil
import glob
import re
import pytz
import requests

BACKUP_TIME = os.environ.get('BACKUP_TIME', '1200')  # 备份时间 10800秒 2小时
HF_USER1 = os.environ.get('HF_USER1', '')  # HF 备份仓库的用户名
HF_REPO = os.environ.get('HF_REPO', '')  # HF 备份的Models仓库名
HF_EMAIL = os.environ.get('HF_EMAIL', '')  # HF的邮箱
HF_TOKEN1 = os.environ.get('HF_TOKEN1', '')  # HF备份账号的TOKEN

HF_USER2 = os.environ.get('HF_USER2', '')  # huggingface 用户名
HF_ID = os.environ.get('HF_ID', '')  # huggingface space 名
HF_TOKON2 = os.environ.get('HF_TOKON2', '')  # huggingface TOKEN



def get_latest_local_package(directory, pattern='*.tar.gz'):
    try:
        # 构建完整的搜索路径
        search_pattern = os.path.join(directory, pattern)
        
        # 查找所有匹配的文件
        files = glob.glob(search_pattern)
        
        if not files:
            print("未找到匹配的 nezha-hf 压缩包")
            return None
        
        # 获取最新的文件
        latest_file = max(files, key=os.path.getmtime)
        
        print(f"找到最新的包: {latest_file}")
        return latest_file
    
    except Exception as e:
        print(f"获取最新包时发生错误: {e}")
        return None


def delete_huggingface_lfs_file(filename, repo_id, token):
    """
    通过Hugging Face API删除LFS文件记录
    """
    try:
        # 1. 查询LFS文件列表
        url = f"https://huggingface.co/api/models/{repo_id}/lfs-files"
        headers = {
            "content-type": "application/json",
            "Authorization": f"Bearer {token}",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
        }
        
        response = requests.get(url, headers=headers)
        if response.status_code != 200:
            print(f"查询LFS文件失败: {response.status_code} - {response.text}")
            return False
        
        lfs_files = response.json()
        
        # 2. 查找匹配的文件
        file_to_delete = None
        for file_info in lfs_files:
            if file_info.get('filename') == filename:
                file_to_delete = file_info
                break
        
        if not file_to_delete:
            print(f"未找到对应的LFS文件记录: {filename}")
            return False
        
        # 3. 删除LFS文件记录
        file_oid = file_to_delete['fileOid']
        delete_url = f"https://huggingface.co/api/models/{repo_id}/lfs-files/{file_oid}?rewriteHistory=true"
        
        delete_response = requests.delete(delete_url, headers=headers)
        if delete_response.status_code == 200:
            print(f"成功删除LFS文件记录: {filename} (OID: {file_oid})")
            return True
        else:
            print(f"删除LFS文件记录失败: {delete_response.status_code} - {delete_response.text}")
            return False
            
    except Exception as e:
        print(f"删除LFS文件记录时出错: {e}")
        return False


def safe_git_cleanup(repo_path, files_to_remove):
    """
    安全的Git清理，不会影响现有的备份文件
    """
    try:
        original_dir = os.getcwd()
        os.chdir(repo_path)
        
        print(f"执行安全Git清理: {files_to_remove}")
        
        # 1. 首先确保工作目录是干净的
        result = subprocess.run(['git', 'status', '--porcelain'], capture_output=True, text=True)
        if result.stdout.strip():
            print("工作目录有未提交的更改，先提交...")
            subprocess.run(['git', 'add', '.'], capture_output=True)
            subprocess.run(['git', 'commit', '-m', '自动提交: 清理前的更改'], capture_output=True)
        
        # 2. 只从Git索引中删除指定的文件，但不影响工作目录中的文件
        for filename in files_to_remove:
            if os.path.exists(filename):
                print(f"从Git索引中删除 {filename} (文件仍保留在工作目录)")
                subprocess.run(['git', 'rm', '--cached', filename], capture_output=True)
            else:
                print(f"文件 {filename} 不存在于工作目录，只清理Git引用")
        
        # 3. 提交删除操作
        if files_to_remove:
            subprocess.run(['git', 'commit', '-m', f'清理已删除的文件: {", ".join(files_to_remove)}'], capture_output=True)
        
        # 4. 执行GC清理但不删除最近的文件
        subprocess.run(['git', 'gc', '--auto'], capture_output=True)
        subprocess.run(['git', 'lfs', 'prune'], capture_output=True)
        
        print("安全Git清理完成")
        os.chdir(original_dir)
        return True
        
    except Exception as e:
        print(f"安全Git清理时出错: {e}")
        os.chdir(original_dir)
        return False


def get_remote_lfs_files(repo_id, token):
    """
    获取远程所有的LFS文件列表
    """
    try:
        url = f"https://huggingface.co/api/models/{repo_id}/lfs-files"
        headers = {
            "content-type": "application/json",
            "Authorization": f"Bearer {token}",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
        }
        
        response = requests.get(url, headers=headers)
        if response.status_code == 200:
            return response.json()
        else:
            print(f"获取远程LFS文件失败: {response.status_code}")
            return []
    except Exception as e:
        print(f"获取远程LFS文件时出错: {e}")
        return []


def cleanup_orphaned_lfs_references(repo_path, repo_id, token, keep_count=3):
    """
    清理孤儿LFS引用：删除远程存在但本地不存在的文件引用
    """
    try:
        original_dir = os.getcwd()
        os.chdir(repo_path)
        
        print("检查孤儿LFS引用...")
        
        # 获取远程LFS文件
        remote_files = get_remote_lfs_files(repo_id, token)
        if not remote_files:
            print("无法获取远程LFS文件列表")
            return
        
        # 获取本地文件
        local_files = set(glob.glob('*.tar.gz'))
        
        # 找出远程存在但本地不存在的文件
        orphaned_files = []
        for remote_file in remote_files:
            filename = remote_file.get('filename')
            if filename and filename not in local_files:
                orphaned_files.append(filename)
        
        if orphaned_files:
            print(f"发现孤儿LFS引用: {orphaned_files}")
            
            # 删除这些孤儿引用
            for filename in orphaned_files:
                print(f"删除孤儿LFS引用: {filename}")
                delete_huggingface_lfs_file(filename, repo_id, token)
        
        print("孤儿LFS引用清理完成")
        os.chdir(original_dir)
        
    except Exception as e:
        print(f"清理孤儿LFS引用时出错: {e}")
        os.chdir(original_dir)


def compress_folder(folder_path, output_dir, keep_count=3):
    try:
        # 确保输出目录存在
        os.makedirs(output_dir, exist_ok=True)
        
        # 设置中国时区
        china_tz = pytz.timezone('Asia/Shanghai')
        
        # 获取当前中国时间的时间戳
        timestamp = str(int(datetime.now(china_tz).timestamp() * 1000))
        output_path = os.path.join(output_dir, f'{timestamp}.tar.gz')
        
        # 获取所有压缩包
        existing_archives = glob.glob(os.path.join(output_dir, '*.tar.gz'))
        
        # 安全地提取时间戳
        def extract_timestamp(filename):
            match = re.search(r'(\d+)\.tar\.gz$', filename)
            return int(match.group(1)) if match else 0
        
        files_to_cleanup = []
        
        # 如果压缩包数量超过保留数量，删除最旧的
        if len(existing_archives) >= keep_count:
            # 按时间戳排序（从小到大，最旧的在前面）
            existing_archives.sort(key=extract_timestamp)
            
            # 计算需要删除的数量
            delete_count = len(existing_archives) - keep_count + 1
            
            # 删除最旧的压缩包
            for i in range(delete_count):
                oldest_archive = existing_archives[i]
                oldest_filename = os.path.basename(oldest_archive)
                
                try:
                    # 删除本地文件
                    os.remove(oldest_archive)
                    print(f"删除最旧的压缩包：{oldest_filename}")
                    
                    # 记录需要清理的文件名
                    files_to_cleanup.append(oldest_filename)
                    
                    # 删除Hugging Face LFS文件记录
                    print(f"正在删除Hugging Face LFS文件记录: {oldest_filename}")
                    delete_huggingface_lfs_file(oldest_filename, f"{HF_USER1}/{HF_REPO}", HF_TOKEN1)
                        
                except Exception as e:
                    print(f"删除失败 {oldest_archive}: {e}")
        
        # 如果有文件需要从Git历史中清理，执行安全清理
        if files_to_cleanup:
            print(f"执行安全Git清理: {files_to_cleanup}")
            safe_git_cleanup(output_dir, files_to_cleanup)
        
        # tar.gz 压缩
        result = subprocess.run(
            ['tar', '-czf', output_path, folder_path], 
            capture_output=True, 
            text=True
        )
        
        if result.returncode == 0:
            # 计算压缩包大小
            file_size = os.path.getsize(output_path) / 1024 / 1024
            
            # 格式化中国时区的时间
            china_time = datetime.now(china_tz)
            formatted_time = china_time.strftime('%Y-%m-%d %H:%M:%S')
            
            print(f"压缩成功：{output_path}")
            print(f"压缩大小：{file_size:.2f} MB")
            print(f"压缩时间：{formatted_time}")
            print(f"保留策略：最多保留 {keep_count} 个备份包")
            
            # 返回压缩包名和大小信息
            return f"{os.path.basename(output_path)} MB：{file_size:.2f} MB TIME：{formatted_time}"
        else:
            print("压缩失败")
            print("错误信息:", result.stderr)
            return None
    
    except Exception as e:
        print(f"压缩出错: {e}")
        return None


def github(type):
    if type == 1:
        os.system(f'rm -rf /data/{HF_REPO} /data/ff /data/data') 
    if not os.path.exists(f'/data/{HF_REPO}'):
        git = f"git clone https://{HF_USER1}:{HF_TOKEN1}@huggingface.co/{HF_USER1}/{HF_REPO}"
        print(git)
        os.system(git)
        os.system(f'git config --global user.email "{HF_EMAIL}"')
        os.system(f'git config --global user.name "{HF_USER1}"') 
        os.system("ls")
        latest_package = get_latest_local_package(f'/data/{HF_REPO}')
        print(f"最新压缩包路径: {latest_package}")
        if latest_package:
            os.system(f"tar -xzf {latest_package} -C /data")
            os.system("mv /data/f/ff /data/")
            os.system("mv /data/data/f/ff /data/")
            os.system("rm -rf /data/data /data/f")
    
    if type == 2:
        print(f"开始备份上传HF仓库：{HF_REPO}")
        os.system("mkdir -p /data/f")
        os.system("cp -rf /data/ff /data/f")
        
        repo_path = f'/data/{HF_REPO}'
        repo_id = f"{HF_USER1}/{HF_REPO}"
        
        # 切换到仓库目录
        os.chdir(repo_path)
        os.system(f'git config --global user.email "{HF_EMAIL}"')
        os.system(f'git config --global user.name "{HF_USER1}"') 
        
        # 先清理孤儿LFS引用
        cleanup_orphaned_lfs_references(repo_path, repo_id, HF_TOKEN1, keep_count=3)
        
        # 执行Git清理（不影响现有文件）
        os.system('git lfs prune')
        os.system('git gc --auto')
        
        # 备份上传仓库
        new_archive_info = compress_folder('/data/f', repo_path, keep_count=3)
        if new_archive_info:
            new_archive, file_size_info = new_archive_info.split(' MB：')
            
            os.system("pwd")
            os.system(f'git add .')
            os.system(f'git commit -m "{file_size_info}"')
            
            # 正常推送（不再需要强制推送）
            push_result = os.system('git push origin main')
            if push_result != 0:
                print("推送失败，可能有冲突，尝试拉取并合并...")
                os.system('git pull origin main --rebase')
                os.system('git push origin main')
            
            # 轻度清理
            os.system('git gc --auto')
            os.system('git lfs prune')
        else:
            print("压缩失败，无法提交")

def _reconstruct_token(partial_token):
    return partial_token.replace(" ", "")
github(2)